BS 2M 41:1977
Current
The latest, up-to-date edition.
Methods of numbering propulsion units and components and describing their direction of rotation
Hardcopy , PDF
English
31-08-1977
Describes methods of numbering aircraft engines, engine cylinders and combustion chambers, on drawings, for example, and the methods of describing the direction of rotation of main shafts and rotors and of propellers.
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